/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author Administrator
 */
public class Calc {
    public int add(int a,int b){
        return a+b;
     
    }
    public int sub(int a,int b){
        return a-b;

    }

    public int mul(int a,int b){
        return a*b;

    }
}
